Synergistic valorization of spent lithium-ion battery electrodes: anode graphite derived lamellar graphene oxide membranes for selective lithium recovery from cathode leachate

Ying Zheng; Ziwen Dai; Zhaoyang Li; Guangyi Hu; Sha Liang; Wenbo Yu; Shushan Yuan; Huabo Duan; Liang Huang; J.H. Hu; Huijie Hou; Jiakuan Yang

doi:10.1039/d6ta01119e

January 1, 2026Journal of Materials Chemistry A

Synergistic valorization of spent lithium-ion battery electrodes: anode graphite derived lamellar graphene oxide membranes for selective lithium recovery from cathode leachate

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Key Points

To develop a method for recovering lithium from cathode leachate using membranes made from graphite.
Fabrication of a graphene oxide-polyethyleneimine (GO-PEI) membrane from spent graphite.
Use of the membrane for selective lithium extraction from cathode leachate.
Evaluation of membrane performance and lithium recovery efficiency.
The GO-PEI membrane effectively recovers lithium from the leachate.
The process demonstrates environmental sustainability by utilizing spent battery materials.

Implication

Novel strategy fabricates a graphene oxide membrane for lithium recovery from spent battery leachate, suggesting environmental benefits.

Abstract

This novel strategy of fabricating a GO-PEI membrane from spent graphite offers a green process for recovering lithium from the leachate of spent lithium-ion battery cathode materials.

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Cite This Study

Zheng et al. (2026) studied this question.

synapsesocial.com/papers/69cf5cd15a333a821460a601 https://doi.org/10.1039/d6ta01119e

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Synergistic valorization of spent lithium-ion battery electrodes: anode graphite derived lamellar graphene oxide membranes for selective lithium recovery from cathode leachate

Key Points

Implication

Abstract

Discussion

Cite This Study

Synergistic valorization of spent lithium-ion battery electrodes: anode graphite derived lamellar graphene oxide membranes for selective lithium recovery from cathode leachate

Key Points

Implication

Abstract

Discussion

Cite This Study

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